Daewoo Korando. Manual - part 202

 

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Daewoo Korando. Manual - part 202

 

 

 SUSPENSION DIAGNOSIS  2A-7

SELF-DIAGNOSIS

ECS-ECU indicates ECS circuit defectives to the driver by flickering ECS indicator lamp in the meter cluster 0.5
second of interval if there are defectives.

Code

Body vertical

acceleration

sensor

Defects

When sensor output

voltage is less than

0.5-4.5V, more than

4.5V.

Judging Conditions

01

0.9 - 1.1sec.

Set Time

Sensor Voltage

³

2.0 ± 0.1V

³

3.0 ± 0.1V

Release Conditions

0.9 - 1.1sec.

Set Time

Body lateral

acceleration

sensor

When sensor output

voltage is less than

0.55±0.15V, more than

4.45±0.1V.

02

0.9 - 1.1sec.

Sensor Voltage

³

2.0 ± 0.1V

³

3.0 ± 0.1V

0.9 - 1.1sec.

Stop anti-

bounce ride

control

Remedy

Stop anti-roll

control

Axle vertical

acceleration

sensor (wheel G

sensor)

When sensor output

voltage is less than

0.5-4.5V, more than

4.5V.

03

0.9 - 1.1sec.

Sensor Voltage

³

2.0 ± 0.1V

³

3.0 ± 0.1V

0.9 - 1.1sec.

Stop ride

control

Front actuator

Check step motor

power supply detecting

circuit for open and

short check for relative

connectors.

04

0.4 - 0.6sec.

IGN+ SW.

OFF

®

ON

Stop control

after returning

to the previ-

ous mode

Rear actuator

When defective detect-

ing circuit has detected

defectives during

output OFF.

05

0.4 - 0.6sec.

IGN+ SW.

OFF

®

ON

Stop control

after returning

to the previous

mode

ECU

When ECU does not

work normally.

06

0.4 - 0.6sec.

Reset

Stop control

1. Turn the ignition switch ON and if ECS system is normal, ECS indicator lamp will turn on for 3 seconds and then go

off. However if defective, ECS indicator lamp will flicker in the interval of 0.5 second continuously.

2. Identify fault code with Scanner.

2A-8  SUSPENSION DIAGNOSIS

-

ACTUATOR INSPECTION

Output position of the actuator should be changed as below when battery voltage is applied between actuator
connector terminals.

Connector

terminal

Battery Voltage

Position of The Actuator Output

Remark

1 (White)

-

2 (Black)

OPEN

3 (Red)

+

1 (White)

+

2 (Black)

-

3 (Red)

OPEN

1 (White)

OPEN

2 (Black)

+

3 (Red)

SOFT Mode

MEDIUM Mode

HARD Mode

 SUSPENSION DIAGNOSIS  2A-9

ECS CIRCUIT

SCHEMATIC AND ROUTING DIAGRAMS

2A-10  SUSPENSION DIAGNOSIS

Connector Pin Number and Circuits

Ignition

Actuator R-MEDIUM

Actuator R-SOFT

Actuator F-HEAD

Select Switch

Speed Sensor

Wheel G Sensor

Wheel G Sensor Ground

-

Vertical G Sensor

Sensor +5V

Chassis Ground

Indicator Lamp

NO.

Circuit

NO.

Circuit

1

14

2

15

3

16

4

17

5

18

6

19

7

20

8

21

9

22

10

23

11

24

12

25

13

26

Chassis Ground

Actuator R-HEAD

Actuator F-MEDIUM

Actuator F-SOFT

Brake Switch

-

Lateral G Sensor

Lateral G Sensor Ground

Vertical G Sensor Ground

Diagnosis K Line

Diagnosis L Line

-

-

 

 

 

 

 

 

 

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